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Finding the Fourth Proportional to 586,132.81, 808,897.39 and 328,007.58

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Solution

The fourth proportional to 586,132.81, 808,897.39 and 328,007.58 is: 452,669.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,132.81 : 808,897.39 = 328,007.58 : x
  2. Step 2: Convert to fraction form
    586,132.81/808,897.39 = 328,007.58/x
  3. Step 3: Cross multiply
    586,132.81x = 808,897.39 × 328,007.58
  4. Step 4: Simplify right side
    586,132.81x = 265,324,471,508.83
  5. Step 5: Solve for x
    x = 265,324,471,508.83/586,132.81
  6. Step 6: Final answer
    x = 452,669.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.